Treasury Auctions Headline Busy Week as Summer Lull Gives Way to Heavy September
Global sovereign issuance remains elevated this week, led by the US Treasury's quarterly coupon cycle, while European issuance remains relatively subdued ahead of what rates analysts expect will be a pronounced pickup in September. The UK calendar is straightforward with a single conventional gilt auction, while Japan, Australia and New Zealand also bring meaningful issuance. Beyond the week's auctions, investors will increasingly look towards September's heavier syndicated supply and refunding activity.
United States: USD211bn Treasury Supply
The US Treasury will auction USD211bn across the front and intermediate sectors this week, comprising:
• Tuesday: USD69bn new 2-year note • Wednesday: USD70bn new 5-year note and USD28bn reopening of the 2-year FRN • Thursday: USD44bn new 7-year note
Citi estimates the auctions represent roughly USD81mn/bp of DV01, with the 5-year and 7-year sectors carrying the largest duration burden. UBS, which excludes the floating-rate note from its nominal tally, estimates USD183bn of conventional Treasury issuance.
Technical support is less generous than in previous refunding cycles. Citi estimates USD22.3bn of coupon payments and USD132.4bn of redemptions eligible for reinvestment, while UBS notes Treasury continues to signal no changes to coupon or FRN auction sizes for the foreseeable future, with the first increases unlikely before May 2027.
Euro Area: Italy Again Dominates the Calendar
Eurozone sovereign issuance is expected to total approximately EUR22-25bn, depending on methodology.
Scheduled issuance includes:
• Belgium: EUR2.6-3.0bn across 2031, 2036 and 2045 OLOs • Germany: EUR7bn across a 2028 Schatz and 2041/2048 Bunds • Italy: Around EUR15bn including short-dated BTPs, conventional 10-year supply and CCTeu floaters • Finland: EUR400mn RFGB auction
UBS estimates around EUR22bn of gross issuance, while Citi's broader assumptions, including estimated auction sizing, produce a figure closer to EUR25bn.
Italy remains the focal point, accounting for more than half the week's supply through multiple conventional auctions and floating-rate issuance. However, both banks note that Italy has cancelled its August medium and long-end linker auctions as part of the seasonal slowdown.
Cash Flows Continue to Cushion European Supply
European technicals remain supportive.
Citi calculates EUR7.8bn of coupon payments and EUR13.2bn of redemptions available for reinvestment this week. UBS, using a different methodology, expects approximately EUR14bn of cash flows next week and around EUR82bn over the coming four weeks.
The relatively light August issuance calendar is expected to reverse sharply once markets return from the summer break.
UK: No offset for this week's supply
The UK DMO will tap GBP4bn of the 4.125% March 2033 gilt on Tuesday, representing the country's only scheduled primary issuance this week.
Citi estimates the auction carries approximately GBP2.2mn/bp of DV01, concentrated entirely in the 7-year sector. Unlike the US and euro area, however, there are no gilt coupon or redemption flows eligible for reinvestment this week, leaving the auction without a corresponding cash-flow offset.
Asia-Pacific Supply
Japan Leads Regional Issuance
Japan has around JPY3.7tn of scheduled issuance, comprising a JPY250bn 10-year Climate Transition Bond on Monday, a JPY650bn liquidity enhancement operation on Wednesday and JPY2.8tn of 2-year JGBs on Friday.
Australia will issue AUD2bn, split between AUD1.2bn of the November 2031 ACGB on Tuesday and AUD800mn of the December 2035 ACGB on Friday. New Zealand is expected to sell around NZD450mn of NZGBs on Thursday.
Supply Snapshot
Source: National DMOs & Treasuries, UBS & Citi
Bottom Line
The US Treasury’s USD213bn auction slate is the dominant global supply event, but unusually large coupon and redemption flows should provide a strong reinvestment bid. Europe also faces a meaningful calendar, led by Italy’s multi-format issuance, although both Citi and UBS show cash returns comfortably exceeding new supply.
The principal auction risks therefore lie less in the headline nominal totals and more in the concentration of duration: the US 5-year and 7-year notes, Germany’s 10-year Bund and Italy’s conventional and linker supply. The UK remains a relatively minor supply event, with coupon reinvestment more than offsetting the combined DMO tender and BoE QT operations.
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Treasury Auctions Headline Busy Week as Summer Lull Gives Way to Heavy September
Global sovereign issuance remains elevated this week, led by the US Treasury's quarterly coupon cycle, while European issuance remains relatively subdued ahead of what rates analysts expect will be a pronounced pickup in September. The UK calendar is straightforward with a single conventional gilt auction, while Japan, Australia and New Zealand also bring meaningful issuance. Beyond the week's auctions, investors will increasingly look towards September's heavier syndicated supply and refunding activity.
The US Treasury will auction USD211bn across the front and intermediate sectors this week, comprising:
• Tuesday: USD69bn new 2-year note
• Wednesday: USD70bn new 5-year note and USD28bn reopening of the 2-year FRN
• Thursday: USD44bn new 7-year note
Citi estimates the auctions represent roughly USD81mn/bp of DV01, with the 5-year and 7-year sectors carrying the largest duration burden. UBS, which excludes the floating-rate note from its nominal tally, estimates USD183bn of conventional Treasury issuance.
Technical support is less generous than in previous refunding cycles. Citi estimates USD22.3bn of coupon payments and USD132.4bn of redemptions eligible for reinvestment, while UBS notes Treasury continues to signal no changes to coupon or FRN auction sizes for the foreseeable future, with the first increases unlikely before May 2027.
Eurozone sovereign issuance is expected to total approximately EUR22-25bn, depending on methodology.
Scheduled issuance includes:
• Belgium: EUR2.6-3.0bn across 2031, 2036 and 2045 OLOs
• Germany: EUR7bn across a 2028 Schatz and 2041/2048 Bunds
• Italy: Around EUR15bn including short-dated BTPs, conventional 10-year supply and CCTeu floaters
• Finland: EUR400mn RFGB auction
UBS estimates around EUR22bn of gross issuance, while Citi's broader assumptions, including estimated auction sizing, produce a figure closer to EUR25bn.
Italy remains the focal point, accounting for more than half the week's supply through multiple conventional auctions and floating-rate issuance. However, both banks note that Italy has cancelled its August medium and long-end linker auctions as part of the seasonal slowdown.
European technicals remain supportive.
Citi calculates EUR7.8bn of coupon payments and EUR13.2bn of redemptions available for reinvestment this week. UBS, using a different methodology, expects approximately EUR14bn of cash flows next week and around EUR82bn over the coming four weeks.
The relatively light August issuance calendar is expected to reverse sharply once markets return from the summer break.
The UK DMO will tap GBP4bn of the 4.125% March 2033 gilt on Tuesday, representing the country's only scheduled primary issuance this week.
Citi estimates the auction carries approximately GBP2.2mn/bp of DV01, concentrated entirely in the 7-year sector. Unlike the US and euro area, however, there are no gilt coupon or redemption flows eligible for reinvestment this week, leaving the auction without a corresponding cash-flow offset.
Japan Leads Regional Issuance
Japan has around JPY3.7tn of scheduled issuance, comprising a JPY250bn 10-year Climate Transition Bond on Monday, a JPY650bn liquidity enhancement operation on Wednesday and JPY2.8tn of 2-year JGBs on Friday.
Australia will issue AUD2bn, split between AUD1.2bn of the November 2031 ACGB on Tuesday and AUD800mn of the December 2035 ACGB on Friday. New Zealand is expected to sell around NZD450mn of NZGBs on Thursday.
The US Treasury’s USD213bn auction slate is the dominant global supply event, but unusually large coupon and redemption flows should provide a strong reinvestment bid. Europe also faces a meaningful calendar, led by Italy’s multi-format issuance, although both Citi and UBS show cash returns comfortably exceeding new supply.
The principal auction risks therefore lie less in the headline nominal totals and more in the concentration of duration: the US 5-year and 7-year notes, Germany’s 10-year Bund and Italy’s conventional and linker supply. The UK remains a relatively minor supply event, with coupon reinvestment more than offsetting the combined DMO tender and BoE QT operations.